New and Unread Tree-Mails
| 'Robusta' |
| 'KORgosa' |
| Bloom size: | Large: 4-5" |
| Bloom shape: | Other: Saucer-shaped |
| Petal count: | Single: 1-7 petals |
| Rose bloom color: | Dark red |
| Extra Bloom Info: | In clusters |
| Rebloom: | Good |
| Class: | Other: Hybrid rugosa |
| Growth Habit: | Tall, 5-7 feet, upright |
| Fragrance: | Moderate |
| Hybridizer & year: | Reimer Kordes, 1979 |
| Optimal growing zones: | USDA zones 4 through 9 |
| Plant Habit: | Shrub |
| Life cycle: | Perennial |
| Sun Requirements: | Full Sun |
| Soil pH Preferences: | Moderately acid (5.6 – 6.0) Slightly acid (6.1 – 6.5) Neutral (6.6 – 7.3) Slightly alkaline (7.4 – 7.8) |
| Plant Height: | 5-7 feet |
| Plant Spread: | 4-6 feet |
| Leaves: | Deciduous |
| Flowers: | Showy Fragrant |
| Flower Color: | Red |
| Flower Time: | Spring Summer Fall |
| Uses: | Cut Flower |
| Wildlife Attractant: | Bees |
| Propagation: Other methods: | Cuttings: Stem Cuttings: Tip |
| Miscellaneous: | With thorns/spines/prickles/teeth |
| Child plants: | one child plant |
| Posted by porkpal (Richmond, TX) on Oct 16, 2011 2:46 PM My Robustas are tall, leggy shrubs with leaves only at the tips of the canes and wicked thorns. The blooms repeat fairly well here near the Texas Gulf Coast but are fragile and shatter easily. They would be at their best at the back of a bed. [ Reply to this comment | |
| Posted by Newyorkrita (North Shore, Long Island, NY ) on Oct 16, 2011 3:03 PM Robusta left my garden due to the combo of truly wicked thorns and long leggy canes that wanted to spread and take up much much more room than I had given it. I did so just love, love, love the vivid red flowers that were exceptionally pretty. Yes, it blackspots very easily. [ Reply to this comment | |
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